Sion Airport (IATA: SIR, ICAO: LSGS) (Military: LSMS) is the airport of the city of Sion, Switzerland. It is 2.5 km southwest of the city of Sion in the Rhône Valley. The airport was opened in 1935.
Sion Airport (IATA: SIR, ICAO: LSGS) (Military: LSMS) is the airport of the city of Sion, Switzerland. It is 2.5 km southwest of the city of Sion in the Rhône Valley. The airport was opened in 1935.